Area: Rectangles,Squares, and Triangles

Front

What is the formula for the area of a rectangle?

Back

Area = length × width

Front

What is the formula for the area of a square?

Back

Area = side × side

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 × base × height

Front

How do you calculate the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width)

Front

How do you calculate the perimeter of a square?

Back

Perimeter = 4 × side

Front

What is the area of a rectangle with a length of 10 m and a width of 5 m?

Back

Area = 10 m × 5 m = 50 m²

Front

What is the area of a square with a side length of 12 ft?

Back

Area = 12 ft × 12 ft = 144 ft²

Front

What is the area of a triangle with a base of 8 cm and a height of 5 cm?

Back

Area = 1/2 × 8 cm × 5 cm = 20 cm²

Front

If a rectangle has an area of 60 m² and a width of 5 m, what is the length?

Back

Length = Area / Width = 60 m² / 5 m = 12 m

Front

If a square has an area of 81 ft², what is the length of one side?

Back

Side = √Area = √81 ft² = 9 ft